Emma went to the movie theater for her birthday. a mix of adults and children attended, making a total of 19 people. each adult ticket was $9 and each child's ticket was $5.50. is the total cost for the party was $150, then how many adults and how many children attended

Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets,x, and the number of student tickets,y. find the solution and explain what it means. i'll you if you me

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?